Package org.drools.rule

Examples of org.drools.rule.GroupElement.addChild()

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                                                                    "hobby",
                                                                    rightGuestHobbyDeclaration,
                                                                    this.objectEqualEvaluator ) );

        final GroupElement notChosen = GroupElementFactory.newNotInstance();
        notChosen.addChild( notChosenPattern );

        rule.addPattern( notChosen );

        // ------------
        // int newSeat = rightSeat + 1;
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                                                                  pathGuestNameDeclaration,
                                                                  this.objectEqualEvaluator ) );

        final GroupElement not = GroupElementFactory.newNotInstance();

        not.addChild( notPathPattern );

        rule.addPattern( not );

        // ------------
        // drools.assert( new Path( id, pathName, pathSeat ) );
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        final Pattern pattern = new Pattern( 0,
                                             cheeseObjeectType,
                                             "cheese" );

        final GroupElement subrule = new GroupElement( GroupElement.AND );
        subrule.addChild( pattern );
        final Map<String, Declaration> map = new HashMap<String, Declaration>();
        map.put( "cheese",
                 pattern.getDeclaration() );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );
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        // forall can be translated into
        // not( basePattern and not( <remaining_patterns>+ ) )
        // so we just do that:

        final GroupElement and = GroupElementFactory.newAndInstance();
        and.addChild( forall.getBasePattern() );

        final GroupElement not2 = GroupElementFactory.newForallNotInstance();
        not2.setForallBaseObjectType( forall.getBasePattern().getObjectType() );
        if ( forall.getRemainingPatterns().size() == 1 ) {
            not2.addChild( (Pattern) forall.getRemainingPatterns().get( 0 ) );
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        and.addChild( forall.getBasePattern() );

        final GroupElement not2 = GroupElementFactory.newForallNotInstance();
        not2.setForallBaseObjectType( forall.getBasePattern().getObjectType() );
        if ( forall.getRemainingPatterns().size() == 1 ) {
            not2.addChild( (Pattern) forall.getRemainingPatterns().get( 0 ) );
            and.addChild( not2 );
        } else if ( forall.getRemainingPatterns().size() > 1 ) {
            final GroupElement and2 = GroupElementFactory.newAndInstance();
            for ( final Iterator it = forall.getRemainingPatterns().iterator(); it.hasNext(); ) {
                and2.addChild( (Pattern) it.next() );
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            not2.addChild( (Pattern) forall.getRemainingPatterns().get( 0 ) );
            and.addChild( not2 );
        } else if ( forall.getRemainingPatterns().size() > 1 ) {
            final GroupElement and2 = GroupElementFactory.newAndInstance();
            for ( final Iterator it = forall.getRemainingPatterns().iterator(); it.hasNext(); ) {
                and2.addChild( (Pattern) it.next() );
            }
            not2.addChild( and2 );
            and.addChild( not2 );
        }
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            not2.addChild( and2 );
            and.addChild( not2 );
        }

        final GroupElement not = GroupElementFactory.newNotInstance();
        not.addChild( and );

        // get builder for the CEs
        final ReteooComponentBuilder builder = utils.getBuilderFor( not );

        // builds the CEs
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        final Pattern pattern = new Pattern( 0,
                                             cheeseObjeectType,
                                             "cheese" );

        final GroupElement subrule = new GroupElement( GroupElement.AND );
        subrule.addChild( pattern );
        final Map map = new HashMap();
        map.put( "cheese",
                 pattern.getDeclaration() );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );
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        final Pattern pattern = new Pattern( 0,
                                             cheeseObjeectType,
                                             "cheese" );

        final GroupElement subrule = new GroupElement( GroupElement.AND );
        subrule.addChild( pattern );
        final Map<String, Declaration> map = new HashMap<String, Declaration>();
        map.put( "cheese",
                 pattern.getDeclaration() );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );
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        notPathPattern.addConstraint( getBoundVariableConstraint( notPathPattern,
                                                                  "guestName",
                                                                  leftGuestNameDeclaration,
                                                                  "==" ) );
        final GroupElement notPath = GroupElementFactory.newNotInstance();
        notPath.addChild( notPathPattern );
        rule.addPattern( notPath );
        // ------------
        // not ( Chosen( id == seatingId, guestName == leftGuestName, hobby ==
        // rightGuestHobby ) )
        // ------------
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